Saeid Aqli, in a TV interview, added the “terrorist act” occurred at around 1 a.m. local time on Wednesday (2130 GMT Tuesday), hitting the lines in Borujen, western province of Chaharmahal and Bakhtiari, and Safa-Shahr, southern province of Fars.

A crisis management session was immediately held and attended by Oil Minister Javad Owji, his deputies, and senior security officials.

Fire has been contained and the gas grid is stable, said the official, adding no one was injured and the repair operations started.